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Add checking for File record magic.

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This commit is contained in:
Takanori Watanabe 2005-10-26 03:24:28 +00:00
parent 6631d1e9cd
commit f83da457dc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=151684
1 changed files with 6 additions and 0 deletions
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6
sys/geom/label/g_label_ntfs.c
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@ -75,6 +75,12 @@ g_label_ntfs_taste(struct g_consumer *cp, char *label, size_t size)
filerecp = g_read_data(cp, voloff, recsize, &error);
fr = (struct filerec *)filerecp;
if(fr->fr_fixup.fh_magic != NTFS_FILEMAGIC){
label[0] = 0;
goto done;
}
for (ap = filerecp + fr->fr_attroff; atr = (struct attr *)ap, atr->a_hdr.a_type != -1; ap += atr->a_hdr.reclen) {
if (atr->a_hdr.a_type == NTFS_A_VOLUMENAME) {
if(atr->a_r.a_datalen >= size *2){